DOWL

Environmental planning, studies, and permitting services that navigate federal, state, and local regulations to advance development projects safely.

• Environmental Studies

  Fieldwork and assessments including biological studies, wetland delineations, bird and eagle nest monitoring, and noxious weed surveys.

• Environmental Planning and Permitting

  Comprehensive support for NEPA documentation, Endangered Species Act Section 7 consultation, and Clean Water Act permitting.

• Cultural Resources

  Historical and archaeological site assessments, Tribal consultation, and Section 106 compliance.

Comprehensive engineering for surface water management, dam safety, irrigation systems, municipal drinking water, and wastewater treatment infrastructure.

• Drainage and River Systems

  Hydrologic and hydraulic modeling, stream restoration, floodplain mapping, fish passage design, and stormwater management planning.

• Dam Safety

  Risk evaluations, inspections, hazard assessments, and hydraulic design for embankments, spillways, and outlets.

• Irrigation

  Canal systems design, control automation, diversions, pump systems, and modernization of agricultural water conveyance.

• Water and Wastewater Systems

  Water treatment, distribution, sewer collection, SCADA process control, and facility modeling.

Planning, design, and analysis for roadways, highways, aviation facilities, and complex bridge structures.

• Bridges and Structures

  Structural design for concrete, steel, and timber bridges, seismic retrofits, retaining walls, and maritime facilities.

• Transportation Planning and Design

  Traffic engineering, roadway design, alternative intersection configurations, and multi-modal transit planning.

• Aviation Services

  Full-service airport planning, airfield design, lighting, security, and funding support.

Site design, master planning, landscape architecture, and geomatics services for public and private infrastructure projects.

• Site Design

  Feasibility studies, entitlement, utility coordination, grading, drainage design, and pavement engineering.

• Land Use Planning and Landscape Architecture

  Master planning, zoning code amendments, park design, and streetscape layouts.

• Survey and Geomatics

  Boundary, construction, aeronautical, and hydrographic surveying, paired with advanced GIS database and analysis capabilities.

Support during project execution, including construction engineering, inspection, and geotechnical services.

• Construction Engineering and Inspection

  On-site representation, quality monitoring, and engineering services during construction.

• Geosciences

  Geotechnical engineering and investigations to inform design and construction phases.